CenterPoint EnergyIGTCIGTC
CenterPoint Energy-Illinois Gas Transmission Company

Continue to the CenterPoint Energy-Illinois Gas Transmission Company's (IGTC) customer Web site to access our tariffs and contact information. The IGTC system consists of 20 miles of 10-inch diameter pipes that extend from an interconnection with Natural Gas Pipeline Company (NGPL) in Glen Carbon, Illinois, to various delivery points in Madison County, Illinois. IGTC operates as a Hinshaw pipeline under the jurisdiction of the Illinois Commerce Commission and as an interstate pipeline under the jurisdiction of the Federal Energy Regulatory Commission.


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